2009 Hummer H3 vs. 2008 Porsche Cayman
To start off, 2009 Hummer H3 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Porsche Cayman. In addition, the cost of maintenance, including insurance, on 2008 Porsche Cayman would be higher. At 3,653 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayman (291 HP @ 6250 RPM) has 52 more horse power than 2009 Hummer H3. (239 HP @ 5800 RPM) In normal driving conditions, 2008 Porsche Cayman should accelerate faster than 2009 Hummer H3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 787 kg more than 2008 Porsche Cayman.
Because 2009 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Porsche Cayman. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H3 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2008 Porsche Cayman (340 Nm @ 4400 RPM) has 13 more torque (in Nm) than 2009 Hummer H3. (327 Nm @ 4600 RPM). This means 2008 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2009 Hummer H3. 2008 Porsche Cayman has automatic transmission and 2009 Hummer H3 has manual transmission. 2009 Hummer H3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Porsche Cayman will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Hummer H3 | 2008 Porsche Cayman | |
| Make | Hummer | Porsche |
| Model | H3 | Cayman |
| Year Released | 2009 | 2008 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3653 cc | 3386 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 239 HP | 291 HP |
| Engine RPM | 5800 RPM | 6250 RPM |
| Torque | 327 Nm | 340 Nm |
| Torque RPM | 4600 RPM | 4400 RPM |
| Engine Bore Size | 95.5 mm | 96 mm |
| Engine Stroke Size | 102 mm | 78 mm |
| Engine Compression Ratio | 10.5:1 | 11.1:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2202 kg | 1415 kg |
| Vehicle Length | 4770 mm | 4350 mm |
| Vehicle Width | 2170 mm | 1810 mm |
| Vehicle Height | 1870 mm | 1310 mm |
| Wheelbase Size | 2850 mm | 2420 mm |
| Fuel Consumption Overall | 14.7 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 87 L | 64 L |
